feat: add September Prime API endpoints and regenerate models

CHANGELOG.md

@@ -1,5 +1,51 @@
 # Changelog
 
+## [1.11.0] - 2026-SEP-01
+
+### Added
+
+#### New API Endpoints
+
+**ApiKey Service**
+- **`rotateApiKey()`**: Rotate the invoking API key (`POST /v1/api-keys/rotate`)
+- **`ApiKeyRotation.decrypt()`**: Decrypt `encrypted_credentials` with JDK HKDF-SHA256 + AES-256-GCM (no extra libraries)
+
+**Financing Service**
+- **`getConversionFees()`**: Get organization conversion fee tiers and month-to-date volume (`GET /v1/conversion/fees`)
+- **`getCrossMarginLiquidation()`**: Get detailed XM liquidation data (`GET /v1/entities/{entity_id}/cross_margin/liquidation`)
+- **`listCrossMarginLiquidations()`**: List XM liquidation history (`GET /v1/entities/{entity_id}/cross_margin/liquidations`)
+- **`getEntityRewardsRate()`**: Get entity rewards rate and tiers (beta) (`GET /v1/entities/{entity_id}/rewards/rate`)
+- **`getPortfolioRewardsRate()`**: Get portfolio rewards rate and tiers (beta) (`GET /v1/portfolios/{portfolio_id}/rewards/rate`)
+
+**Futures Service**
+- **`getDerivativesCurrencySummary()`**: Get per-currency international derivatives balances (`GET /v1/portfolios/{portfolio_id}/derivatives/currency_summary`)
+- **`getDerivativePositions()`**: List active derivative positions for a portfolio (`GET /v1/portfolios/{portfolio_id}/derivatives/positions`)
+
+#### New & Updated Models
+- **`ConversionFee`**, **`ConversionFeeTier`**: Stablecoin conversion fee schedule types
+- **`XMLiquidationDetail`**, **`XMLiquidationSummary`**, **`XMLiquidatedAsset`**: Cross-margin liquidation types
+- **`BetaRewardsRateTier`**: Rewards rate tier (beta)
+- **`DerivativePosition`**, **`DerivativesCurrencyBalance`**, **`OptionsDetails`**, **`OptionProductDetails`**: Derivatives product and position types
+- **`CustomStablecoinAsset`**, **`ComboLeg`**, **`PriceIncrementStep`**: Supporting product/reward types
+- **`Order`**: Added `isBuyExact`
+- **`CreateOrderRequest`**, **`GetOrderPreviewRequest`**, **`GetOrderPreviewResponse`**: Added `isBuyExact`
+- **`Product`**: Added `optionProductDetails`
+- **`TravelRuleParty`**: Added `vaspAddress`
+- **`WalletStakeInputs`**: Added `endDate`
+- **`WalletUnstakeInputs`**: Added `validatorAddress`
+- **`CustomStablecoinRewardDetails`**: Added `asset`
+
+#### New Enums
+- **`XMLiquidationStatus`**, **`BetaRewardsRateTierType`**, **`DerivativeProductType`**, **`OptionType`**, **`SettlementModel`**, **`SettlementPeriod`**
+- **`ProductType`**: Added `OPTION`
+- **`TransactionType`**: Added `MERGE_STAKE`
+
+### Notes
+
+- Minor release: new endpoints including API key rotation, plus regenerated models from the latest OpenAPI spec via **OpenAPI Generator 7.25.0**.
+- Model generation skips per-operation typed error-code and subcode enums until the SDK consumes them.
+- Rewards rate endpoints are marked beta in the spec.
+
 ## [1.10.3] - 2026-JUL-28
 
 ### Added

README.md

@@ -69,6 +69,7 @@ The SDK is organized into service interfaces under `com.coinbase.prime.*`, each
 | `AddressBookService` | `com.coinbase.prime.addressbook` |
 | `AdvancedTransferService` | `com.coinbase.prime.advancedtransfer` |
 | `AllocationsService` | `com.coinbase.prime.allocations` |
+| `ApiKeyService` | `com.coinbase.prime.apikey` |
 | `AssetsService` | `com.coinbase.prime.assets` |
 | `BalancesService` | `com.coinbase.prime.balances` |
 | `CommissionService` | `com.coinbase.prime.commission` |
@@ -140,6 +141,20 @@ mvn exec:java -Dexec.mainClass="com.coinbase.examples.transactions.ListPortfolio
 - `com.coinbase.examples.wallets.ListWalletAddresses <wallet-id> <network-id>` - List addresses for a wallet
 - `com.coinbase.examples.wallets.GetWalletDepositInstructions <wallet-id> [deposit-type]` - Get deposit instructions (deposit-type: CRYPTO, WIRE, SEN, SWIFT, SEPA)
 
+**API Key:**
+- `com.coinbase.examples.apikey.RotateApiKey` - Rotate the invoking API key (starts a real rotation). Decrypts `encrypted_credentials` via `ApiKeyRotation.decrypt` using the current `signingKey`.
+
+**Financing:**
+- `com.coinbase.examples.financing.GetConversionFees` - Get organization conversion fee tiers
+- `com.coinbase.examples.financing.GetCrossMarginLiquidation` - Get XM liquidation details
+- `com.coinbase.examples.financing.ListCrossMarginLiquidations` - List XM liquidation history
+- `com.coinbase.examples.financing.GetEntityRewardsRate` - Get entity rewards rate (beta)
+- `com.coinbase.examples.financing.GetPortfolioRewardsRate` - Get portfolio rewards rate (beta)
+
+**Futures:**
+- `com.coinbase.examples.futures.GetDerivativesCurrencySummary` - Get portfolio derivatives currency summary
+- `com.coinbase.examples.futures.GetDerivativePositions` - List portfolio derivative positions
+
 **Other:**
 - `com.coinbase.examples.Main` - Comprehensive example with multiple API calls
 
@@ -170,7 +185,7 @@ The SDK tracks the published Prime OpenAPI definition in **apiSpec/prime-public-
 make fetch-spec
 ```
 
-Models, enums, per-operation request/response types, services, and `PrimeServiceFactory` are **hand-maintained** to match that spec. Example programs under `com.coinbase.examples` ship in the same module and compile with **`mvn compile`**—keep them in sync when the SDK API changes.
+Models and enums under `com.coinbase.prime.model` are regenerated from that spec via `tools/model-generator`. Per-operation request/response types, services, and `PrimeServiceFactory` are hand-maintained. Typed error-code / subcode schemas from the spec are skipped for now. Example programs under `com.coinbase.examples` ship in the same module and compile with **`mvn compile`**—keep them in sync when the SDK API changes.
 
 ## Changelog